Battery switch



FIG. 1 is a top, front, and left side perspective view of a battery switch showing my new design, the broken-line disclosure of a portion of a battery terminal being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a top plan view thereof. 

The ornamental design for a battery switch, as shown and described. 